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Anat > Chapter 8 appendicular skeleton > Flashcards

Chapter 8 appendicular skeleton Flashcards

1
Q 
Bones of the humerus
anterior - gt, lt, is (g), h. an .sn
dt, b (s)
rf, le, c
cf, me, t

posterior
h, an, sn, gt
rg
me, of, le

sn - f
rg - crn
dt - aotdm
c - r
t - u 
rf - r
cf - u
A

Anterior - greater tubercle, lesser tubercle, interbercular sulcus (groove), head, anatomical neck, surgical neck
deltoid tuberosity, bone (shaft),
radial fossa, lateral epicondyle, capitulum
coronoid fossa, medial epicondyle, trochlea

Posterior - head anatomical neck, surgical neck, greater tubercle, radial groove,
medial epicondyle, olecranon fossa, lateral epicondyle

Surgical neck - fracture
radial groove contains radial nerve
deltoid tuberosity - articulate tendon deltoid muscle
capitulum - radius
trochlea - ulna
radial fossa - radius 
coronoid fossa - ulna
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2
Q 
Ulna
tn - tohtmej
cp
ut
un
h
sp - aww
o
horfirnou
A 
Trochlear notch - trochlear of humerous to make elbow joint
coranoid process 
ulnar tuberosity
ulnar notch
head
styloid process - articulate with wrist
olecranon -

head of radius fits into radial notch of ulna

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3
Q 
Radius
hawcoharnou
rt - tobbmi
sp
it
padrj
A

Head - articulates with capitulum of humerus and radial notch of ulna
radial tuberosity - tendons of biceps brachii muscle insertion
styloid process
interosseous tissue
proximal and distal radioulnar joint

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4
Q

Hand bones (carpal)

A

8 carpal bone wrist
5 metacarpal palm bone
14 phalanges

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5
Q

Skeleton of hand
8 small bones
proximal - sitp
distal - ttch

A

proximal - she is too pretty (scaphoid, lunate, triquetrum, pisiform)
distal - try to catch her (trapezium, trapezoid, capitate, hamate)

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6
Q

Hand articulation

A

scaphoid and lunate - distal end of radius
trapezium and trapezoid - metacarpal 1 and 2
hamate - 4 and 5
capitate - 3

5 phalanges (pollex, index, middle, ring, little)
base. shaft, and head - articulate with proximal of phalanges
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7
Q

Joint between hands

A

joint between radius and carpal is radiocarpal
joint between carpal and metacarpal is carpo-metacarpal
joint between metacarpal and phalanges is metacarpophanlges
joints between fingers is interphalangeal joint
14 bones in phanalges

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8
Q

Supination and pronation of forearm

A

supination
palm anteriorly
radius and ulna parallel
supinator

pronation
palm posterior
pronator teres
pronator quadratus

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9
Q

Muscles of arm that move elbowjoint

A

anterior - flexors
bicep brachii
brachialis
brachioradialis

posterior - extensors
triceps brachii
anconeous

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10
Q

Muscles that move forearm at elbow

A

flexor
biceps brachii - flex forearm at elbow joint
brachialis - deeper to biceps
brachioradialis - flex forearm elbow joint, supination and pronation

extensors - returns body parts to normal anatomical position

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11
Q

Anterior compartment

A

briceps brachii
o - long head - tubercle of scapula
short head - coracoid process of scapula
i - radial tuberosity

brachialis
o - distal ant. surface of humerous
i - ulnar tuberosity and coronoid process of ulna

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12
Q

Brachioradialis

A

o - lateral border of distal end of humerous

i - styloid process of radius

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13
Q

Posterior compartment

A

extensor
anconeus - extends elbow
o - lateral epicondyle of humerous
i - olecranon of ulna

triceps brachii
o - long head - tubercle of scapula
lateral head = post surface of humerous above radial groove
medial head - entire surface of humerous to groove
i - olecranon of ulna

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14
Q

Forearm muscles that move wrist joint, hands and fingers

A

Anterior compartment, extrinsic and flexor muslces
flex the wirst, metacrop-phanalgeal (mp) and inter-phalangeal (ip) joints

move hand wrist and fingers

pronator teres
flexor carpi radialis
palmaris longus
flexor carpi ulnaris

originates at medial epicondyle of humerous

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15
Q

Forearms that move the wrist joint hands and fingers

posterior

A 
posterior compartment (extensor muscles)
originates on lateral epicondyle of humerus via a common extensor

forearm muscles that extend the wrist, metacarpo-phenagles and interphalangeal joints

wrist and finger extensors

superficial and deep layers

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16
Q

Intrisic muscles of hand

thenar hypothenar and mid palmer

A

thenar - base of thumb
hypothenar - base of little finger
mid palmer - between first two groups

17
Q

Intrinsic muscles

A

thenar

flexor pollicis brevis - flexes thumb at carpometacarpal

adductor pollicis brevis - adduct thumb at carpometacarpal joint

opponens pollicis - move thumb across palm to meet any finger

hypothenar
flexor digiti minimi brevis - flexis little finger at carpometacarpal and mp joint

abductor digiti minimi - abduct and flexes finger mp joints

opponens digiti minimi - move little finger across palm to meet thumb

mid palmer

lumbrical muscles - flex mp and extend pip and dip joints of fingers 2-5

dorsal interossei muscles - flex mp and extend pip and dip joints of fingers 2-5

18
Q

organization of spinal nerves

A

dorsal root - group of axon carries sensory info from spinal cord to body (sensory axon)
ventral rootlets - form together to form ventral root (anterior) (motor axon) - carries info from skeletal muscles to spinal cord

spinal nerve - combonation of sensory and motor axon or mixed nerve

19
Q

Plexus

A

axons from anterior rami of spinal nerves form a network on both left and right of body by joining various numbers of axons

20
Q

Location of brachial plexus

A

c5 - t1

c5 c6 c7 c8 t1

21
Q

5 major nerves of brachial plexus

A

axillary nerve - deltoid, teres minor, superio posterior aspect of arm

median nerve - mid palmer region, tip of finger, fingers 1, 2, 3, and half of ring finger

musculocutaneous nerve - anterior muscles of the arm (coracobrachialis, biceps brachii and brachialis)

Radial nerve - posterior aspects of arm and forearm 2/3 of dorsum of hand and fingers (pinky and half of ring finger and finger tips)

ulnar nerve - anteriomedial muscles of the forearm

22
Q

Blood supply arteries

A 
Arch of aorta
brachiocephalic trunk
right common crotid
right subclavian
right axillary
right branchial
right radial
right ulna
right deep palmer arch
right superficial palmer arch
right palmer metacarpal
right common palmar digital 
right proper palmer digital
23
Q

veins

A 
down to top
palmar digital
palmar venous plexus
median antebrachial
cephalic
basilic
acessory cephalic
median cubital
axillary
branchiocephalic
superior vena cava
24
Q

Superficial deep veins 2

A

superior - cephalic and basilic vein

deep - radial vein and ulnar vein

Anat (17 decks)

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